Heavy air

Heavy air ? Maybe you smile and basically you are right. If you have a look into picture bellow, you will understand why I am saying heavy air. Of course, I mean that it takes quite important portion of energy to transport air from one place to another as transport has to repeat more times than without air transportation. Problem is not a weight but volume – if you squeeze empty plastic bottle before discarding it to the dedicated plastic waste container, you can save at least 50% of bottle`s volume. Is it difficult ? Try to squeeze it with loose lid …

3880cookie-checkHeavy air

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